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Stella McCartney welcomes daughter

The 39-year-old fashion designer has three other children with husband Alasdhair Willis, sons Miller, five, and Beckett, two, and four-year-old daughter Bailey.

Stella reportedly gave birth to Reiley on November 23 at London's Portland Hospital.

The gorgeous new baby is said to be doing well, and weighed 8lbs. According to reports, Stella will take a small amount of maternity leave as she’s keen to return to work on her new collection for her eponymous fashion label.

Stella has been inspired by her growing family, and ventured into children’s clothing this year. Her new line caters for 0-12-year-old girls and boys. The playful collection is named after children’s first names, with highlights including the Ingrid floral print girls dress, the Aldo quilted boys jacket, and the Tammy natural rubber boots.